[Manga] 18+ Recommendation!

Manga Recommendation:
You Are Dirty, My Queen

Info:
Saito and Subaru childhood friendship took a weird turn when they both individually wished that their dorm rooms would be connected and it magically happened. Downside is Subaru became unable to control her erotic desires during one hour a day and Saito doesn’t want to take advantage of her because it would ruin the relationship they have during the other 23 hours.
This is a smut from a guy’s perspective but girls can enjoy it too. It’s also like a foreplay manual because they explore so many things that somehow are better than sex. And then yes, they get to the sex